An optical measuring device (1) for determining properties of an object (3) with a first illumination unit (4), which is designed to project a line-shaped marking (5) on a lighting plane, and a first image recording unit (6) for detection of the object Object (3) projected line mark (5) will be described. The optical measuring device (1) has a controllable second illumination unit (7), which is designed for the projection of light in a predetermined light spectrum onto the object (3), and a second image recording unit (8) for location-dependent detection of the object (3). reflected back light of the second illumination unit (7). The optical measuring device (1) is for detecting three-dimensional surface information of the object (3) by means of light section with the on the object (3) with the first illumination unit (4) projected linear marking (5) and for determining properties of the object (3) from the location-dependent detected light spectrum of the object (3) reflected back light of the second illumination unit (7).
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